core&ui: add contest language limit (#1014)

Co-authored-by: panda <panda_dtdyy@outlook.com>

packages/ui-default/components/autocomplete/LanguageSelectAutoComplete.tsx

@@ -0,0 +1,26 @@
+import AutoComplete, { AutoCompleteOptions } from '.';
+import LanguageSelectAutoCompleteFC from './components/LanguageSelectAutoComplete';
+
+interface LanguageSelectOptions {
+  multi?: boolean;
+  withAuto?: boolean;
+}
+
+export default class LanguageSelectAutoComplete<Multi extends boolean> extends AutoComplete<LanguageSelectOptions> {
+  static DOMAttachKey = 'ucwLanguageSelectAutoCompleteInstance';
+
+  constructor($dom, options: LanguageSelectOptions & AutoCompleteOptions<Multi>) {
+    super($dom, {
+      classes: 'language-select',
+      component: LanguageSelectAutoCompleteFC,
+      props: {
+        multi: options.multi,
+        withAuto: options.withAuto,
+        height: 'auto',
+      },
+      ...options,
+    });
+  }
+}
+
+window.Hydro.components.LanguageSelectAutoComplete = LanguageSelectAutoComplete;